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57255382814490 = 23357173749199791
BaseRepresentation
bin11010000010010110011101…
…10000010000111100011010
321111201120011001221101222000
431001023032300100330122
530001033011000030430
6321434432034541430
715026364521662650
oct1501131660207432
9244646131841860
1057255382814490
1117274964a548a3
126508587a37876
1325c420c371303
14101d2650c2dd0
156945259eae60
hex3412cec10f1a

57255382814490 has 512 divisors, whose sum is σ = 189808253337600. Its totient is φ = 11980569047040.

The previous prime is 57255382814489. The next prime is 57255382814501. The reversal of 57255382814490 is 9441828355275.

It is a happy number.

57255382814490 is a `hidden beast` number, since 5 + 7 + 2 + 5 + 53 + 82 + 8 + 14 + 490 = 666.

It is a super-2 number, since 2×572553828144902 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5847751495 + ... + 5847761285.

It is an arithmetic number, because the mean of its divisors is an integer number (370719244800).

Almost surely, 257255382814490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57255382814490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94904126668800).

57255382814490 is an abundant number, since it is smaller than the sum of its proper divisors (132552870523110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57255382814490 is a wasteful number, since it uses less digits than its factorization.

57255382814490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14787 (or 14781 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 63.

The spelling of 57255382814490 in words is "fifty-seven trillion, two hundred fifty-five billion, three hundred eighty-two million, eight hundred fourteen thousand, four hundred ninety".